As a box code, 4345 is used for 11 post office box locations.
PO Boxes using 4345
| Suburb | Town | Province |
|---|---|---|
| Cottonlands | Verulam | KwaZulu-Natal |
| Dawn Crest McP | Verulam | KwaZulu-Natal |
| Missionlands | Verulam | KwaZulu-Natal |
| Mount Moreland | Verulam | KwaZulu-Natal |
| Mt Moreland | Verulam | KwaZulu-Natal |
| Oaklands | Verulam | KwaZulu-Natal |
| Ottawa | Verulam | KwaZulu-Natal |
| Parkgate | Verulam | KwaZulu-Natal |
| Redcliffe | Verulam | KwaZulu-Natal |
| Redcliffe 4 | Verulam | KwaZulu-Natal |
| Trenance Park | Verulam | KwaZulu-Natal |